Li, Yan
Zhou, Qi
Liu, Chao
Sun, Chao
Sun, Hao
Li, Xiang
Zhang, Lei
Article History
Received: 18 October 2022
Accepted: 20 March 2023
First Online: 30 March 2023
Declarations
:
: The study was approved by the ethics committee of Qilu Hospital of Shandong University (KYLL-qdql2020020). The requirement for informed consent was waived by the ethics committee of Qilu Hospital of Shandong University because of the retrospective nature of the study. All methods were conducted in accordance with relevant guidelines and regulations.
: Not applicable.
: The authors declare that they have no competing interests.